Circular rotary replacement blade for our
popular 45mm rotary cutters used for quilting, sewing, and general
crafts. Cuts up to 6 layers of fabric. This blade is made of high
quality tungsten steel for unparalleled sharpness and superior edge
retention. For Original 45mm Rotary Cutter (RTY2), Deluxe 45mm Rotary
Cutter (RTY2DX) and Quick-Change Rotary Cutter (RTY2NS).